Name: Sale-to-List Ratio — ZIP 01821 All Residential, March 31, 2026
Creator: Range Ranger
Published: 2026-03-31
License: https://redfin.com/news/data-center

Question 1

What was the sale-to-list ratio in Billerica (01821)?

Accepted Answer

The average sale-to-list ratio for All Residential homes in ZIP 01821 was 100.31% for the 90-day period ending 2026-03-31, based on Redfin closed sale data. A ratio below 100% means buyers closed at less than the listed price on average.

Question 2

What does the sale-to-list ratio in 01821 mean for sellers?

Accepted Answer

A sale-to-list ratio of 100.31% in ZIP 01821 means buyers closed at 0.31% above list price on average, based on closed All Residential sales in the 90-day period ending 2026-03-31. This reflects competitive bidding conditions recorded in closed transactions.

Question 3

How is the sale-to-list ratio in 01821 calculated?

Accepted Answer

The sale-to-list ratio for ZIP 01821 is the average of each closed sale price divided by its corresponding list price, across all All Residential transactions in the 90-day period ending 2026-03-31. A ratio of 100% means buyers paid asking price; below 100% means buyers paid less; above 100% means buyers paid more. Data source: Redfin closed sale data.

Question 4

Is the sale-to-list ratio in 01821 higher or lower than last year?

Accepted Answer

The sale-to-list ratio in ZIP 01821 is down 0.93 percentage points compared to the same 90-day period one year ago, as of March 31, 2026. A rising ratio means buyers are paying closer to — or above — list price; a falling ratio means the discount from list price is widening.

Question 5

How much are sellers in 01821 discounting from their asking price?

Accepted Answer

Based on a median list price of $649,950 and a sale-to-list ratio of 100.31% in ZIP 01821, buyers closed above asking by approximately $2,015 on average for the 90-day period ending 2026-03-31.

Question 6

How many homes does the sale-to-list ratio in 01821 represent?

Accepted Answer

The sale-to-list ratio for ZIP 01821 is derived from 38 closed All Residential transactions in the 90-day period ending 2026-03-31. Each transaction contributes one sale-price-to-list-price observation to the average. Data source: Redfin.

Sellers in 01821 closed 0.31% above list price on average.